Max	9223372036854775807
25835	Positive integer
0b10001100	Binary number
01771452	Octal number
0x129abf	Hex number
5.012 * 10^7	Scientific notation
2^4 * 5	Factorized form
*	Random number

12981938 (number)

12981938 is an even 8-digits composite number following 12981937 and preceding 12981939. In scientific notation, it is written as 1.2981938 × 10^7. The sum of its digits is 41. It has a total of 2 prime factors and 4 positive divisors. There are 6490968 positive integers (up to 12981938) that are relatively prime to 12981938.

Interesting facts

12981938 has 4 divisors, whose sum is 19472910
The reverse of 12981938 is 83918921
Previous prime number is 2

Basic properties

Is Prime? no
Number parity even
Number length 8
Sum of Digits 41
Digital Root 5

Name

Name	twelve million nine hundred eighty-one thousand nine hundred thirty-eight

Notation

Scientific notation	1.2981938 × 10^7
Engineering notation	1.2981938 × 10^6

Prime Factorization of 12981938

Prime Factorization 2 × 6490969

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	12981938	Product of the distinct prime numbers

The prime factorization of 12981938 is 2 × 6490969. Since it has a total of 2 prime factors.

Most popular turbo-numbers

9, 9, 39, 34, 166, 87, 3522, 2602, 39784, 62534, 884436, 342973, 5876954, 1814717, 37400839, 32088508, 322144764, 834546422, 8727154278, 6010959073

Basic calculations (n = 12981938)

Multiplication

n×y

n×2	25963876
n×3	38945814
n×4	51927752
n×5	64909690

Division

n÷y

n÷2	6490969
n÷3	4327312.6666667
n÷3	3245484.5
n÷5	2596387.6

Exponentiation

n^y

n²	168530714235844
n³	2.1878552833054E+21
n⁴	2.8402601640844E+28
n⁵	3.6872081354013E+35

Nth Root

^y√n

²√n	3603.0456561082
³√n	235.02452135851
⁴√n	60.02537510177
⁵√n	26.464756725157

Divisors of 12981938

1, 2, 6490969, 12981938

4 divisors

τ	Total Divisors	4	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-12981937	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.25	Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G	Geometric Mean	1	Returns the nth root of the product of n divisors
H	Harmonic Mean	4	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 12981938 can be divided by 4 positive divisors. The sum of these divisors (counting 12981938) is 1, the average is 0.25.

Base conversion 12981938

Base	System	Value
2	Binary	110001100001011010110010
3	Ternary	220102112212112
4	Quaternary	301201122302
5	Quinary	11310410223
6	Senary	1142125322
8	Octal	61413262
10	Decimal	12981938
12	Duodecimal	4420842
16	Hexadecimal	c616b2
20	Vigesimal	412egi
36	Base36	7q8xe

Cryptographic Hash Functions

md5	f0db82b154b284b825b2c2ab6240f7cb
sha1	b0de9f6814160ee31b837b28d6f84970601455e0
sha256	79cf745429e96d5ab74e2cb5c23da9ade693768fdab7d0170e8f9b78d1179002
sha512	857f5b63b29e381c0fda955f58650ce213f141cec0f901becf341ea4d99ad01144902c11740dd0289109fba9c35faa7ba32adb2398de59cf04e63658328091f9
ripemd-160	fc46f06bc3ea2c02d3383634469f2700f7779657

12981938 as geometric shapes

Circle

Radius = n

Diameter	25963876
Circumference	81567922.100316
Area	5.2945485374757E+14

Sphere

Radius = n

Volume	9.1644667802E+21
Surface area	2.1178194149903E+15
Circumference	81567922.100316

Square

Length = n

Perimeter	51927752
Area	168530714235844
Diagonal	18359232.785487

Cube

Length = n

Surface area	1011184285415064
Volume	2.1878552833054E+21
Space diagonal	22485376.196709

Equilateral Triangle

Length = n

Perimeter	38945814
Area	72975939923088
Altitude	11242688.098355

Triangular Pyramid

Length = n

Surface area	72975939923088
Volume	2.5784121784668E+20
Height	6119744.2618289